| 摘要 |
PURPOSE: A dual fabric covering for an opening of a building is provided to improve the covering function for an opening of a building having insulating property. CONSTITUTION: A dual fabric covering for an opening of a building is composed of a head rail(14) and a roller. The head rail is arranged horizontally. The roller is formed to be rotatable. A fabric for covering(18) is wrapped or unwrapped around the roller. The fabric has first and second cellular insulating components(26,28). The first cellular insulating component has a rear sheet(30) and a front sheet(32) made of soft material. The front and rear sheets are connected mutually by using plural vanes(34). The second cellular insulating component is fixed to the first cellular insulating component and forms a droop(60) to the horizontal direction of the fabric. |
